08 Oxygen

Oxygen

information: http://education.jlab.org/itselemental/ele008.html

Atomic number: 8

Atomic mass: 16

Protons: 8 Neutrons: 8 Electrons: 8

Period: 2 Group: 16

Melting point: 54.36 K

Boiling point: 90.20 K

State: Gas

Density: 0.001429

Non metal

Colour: Clear

Carl wilhelm sheele

1773

focused sunlight on mercuric oxide (HgO) inside a glass tube

yes it is flammable

yes it has other destructive reactions with other things

Facts:

1. Animals and plants require oxygen for respiration.
2. Oxygen gas is colorless, odorless, and tasteless.
3. Liquid and solid oxygen are pale blue.